Questions about the Varroa mite (Varroa destructor), enemies of honey bees, are often asked at the Linnaean Games. This varroa is on a drone pupa. (Photo by Kathy Keatley Garvey)Mite on drone pupa. (Photo by Kathy Keatley Garvey)

Mite on drone pupa. (Photo by Kathy Keatley Garvey)

A varroa mite is visible on this forager. (Photo by Kathy Keatley Garvey)

A varroa mite is visible on this forager. (Photo by Kathy Keatley Garvey)